4-513: Bodensee S-Bahn is an international marketing effort grouping various regional rail services ( S-Bahn , R/RB , RE , RE/REX ) around Lake Constance ( German : Bodensee ) in Austria , Germany and Switzerland . Cross-border rail and bus services along with Lake Constance ferries ( Friedrichshafen – Romanshorn , Konstanz – Meersburg ) can be used with the Bodensee Ticket . With
8-731: A few exceptions, most services marketed as part of the Bodensee S-Bahn belong to other S-Bahn networks. Services use the railway lines of the Lake Constance Belt Railway ( Bodenseegürtelbahn ) and connecting lines. As of April 2024, the following services are part of Bodensee S-Bahn ( railway stations in bold are included in the Bodensee-S-Bahn network, others are not): Regionalbahn The Regionalbahn ( German: [ʁeɡi̯oˈnaːlˌbaːn] ; lit. Regional train; abbreviated RB )
12-761: Is a type of local passenger train (stopping train) in Germany . It is similar to the Regionalzug (R) and Regio (R) train categories in neighboring Austria and Switzerland , respectively. Regionalbahn trains usually call at all stations on a given line, with the exception of RB trains within S-Bahn networks - these may only call at selected stations. Thus, they rank below the Regional-Express train, which regularly stops only at selected stations on its route. RB trains are subject to franchising by
16-570: The federal states of Germany; whilst many RB trains are still operated by DB Regio , the local traffic division of the former monopolist Deutsche Bahn , franchises often go to other companies, like Abellio Deutschland , Eurobahn or Transdev Germany . There is no obligation to use the term Regionalbahn for basic local services; some private rail operators therefore use their own names to denote their trains. RB services make use of vastly different types of rolling stock; on electrified lines, double-deck cars or EMUs may be used, DMUs like
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